During the month of November, 1911, a case was brought to the female medical ward of the Metropolitan Hospital. The patient was a colored woman, aged 57; her family history was negative. The patient's personal history was practically negative, with the exception of having had variola fourteen years ago. Physical examination showed the very ear-marks of pulmonary tuberculosis; hence the patient was transferred to the service of Dr. W. S. Mills of the tubercular division. All laboratory manipulations failed to reveal the tubercle bacillus. Repeated examination of the sputa, etc., proved negative for tubercle bacilli. Râles, distant bronchial breathing and, on percussion, cavity formation, or what appeared to be such, could be plainly mapped cut.
The patient was treated in the regular routine manner as are all patients of a similar malady in this hospital and she appeared to be improving, while her dyspnea, at times, would show signs of